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Indigo

نيلي

Color codes

HEX
RGB
HSL
HSV
CMYK (approximate)
CIELAB
CSS
Relative luminance0.0311
Purple CSS Named ColorsCool ColorsBranding Colors Cool

Shades of Indigo

All shades

Lighter

Darker

Tints mixed with white

Tones mixed with gray

Color harmonies

Complementary

Opposite on the wheel (180°): maximum contrast for accents.

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Analogous

Neighbors 30° apart: calm and natural.

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Triadic

Three hues 120° apart: vibrant yet balanced.

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Split-complementary

The base plus the two neighbors of its complement: contrast with less tension.

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Tetradic

Four hues 90° apart: rich, best with one dominant color.

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Monochromatic

One hue in several lightness levels: elegant and consistent.

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Contrast and readability

White text12.95:1
✓ AA✓ AAA✓ AA Large
Black text1.62:1
✗ AA✗ AAA✗ AA Large
On white12.95:1
✓ AA✓ AAA✓ AA Large
On black1.46:1
✗ AA✗ AAA✗ AA Large

Text colors that pass AA

Check in the contrast checker

In a design

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A short paragraph shows how body text sits next to the color.

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New

Cards and badges use a soft tint of the color. Read more

Plan your next project

A short paragraph shows how body text sits next to the color.

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New

Cards and badges use a soft tint of the color.

Indigo

Full-color background with readable text.

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About Indigo

Indigo (#4B0082) is a dark, highly saturated color from the Purple family with a cool character. It is made of 75 red, 0 green and 130 blue (hsl(275, 100%, 25%)). Its contrast ratio is 12.95:1 against white and 1.62:1 against black, so white text reads best on it.

Suggested uses

  • buttons, highlights and calls to action
  • logos and brand accents
  • calm, trustworthy or technical themes

Reading the codes

In HEX, #4B0082 stores red, green and blue as pairs of base-16 digits: 75, 0 and 130 out of 255. In HSL the same color has a hue of 275°, 100% saturation and 25% lightness, which makes lighter or darker variants easy to create by changing only the lightness.

Similar colors

#00008BDark Blue#000080Navy#191970Midnight Blue#663399Rebecca Purple#6F2DA8Grape#800080Purple#0000CDMedium Blue#483D8BDark Slate Blue#8B008BDark Magenta#002FA7Klein Blue

Palettes with this color

Citrus Splash#F9C80E #F86624 #EA3546 #662E9B #43BCCDOcean Depths#03045E #0077B6 #00B4D8 #90E0EF #CAF0F8Electric Night#0D0221 #261447 #FF3864 #2DE2E6 #F6019DVelvet Night#1A0F1F #3D1E4A #6B2D5C #A8456F #E7C6A5

Tools for this color

Shades GeneratorGenerate tints, tones, lighter and darker shades and saturation variations.Contrast CheckerAccurate WCAG contrast ratio with AA/AAA results and accessible suggestions.Color Harmony GeneratorComplementary, analogous, triadic, tetradic, split-complementary and monochromatic harmonies.Color Blindness SimulatorApproximate protanopia, deuteranopia, tritanopia and achromatopsia simulations.

Frequently asked questions

What is the HEX code of Indigo?
The HEX code of Indigo is #4B0082. In RGB it is rgb(75, 0, 130) and in HSL hsl(275, 100%, 25%).
Which text color works on Indigo?
White text has a contrast ratio of 12.95:1 on Indigo and black text 1.62:1, so white text is more readable. WCAG AA needs at least 4.5:1 for normal text.
What is the complementary color of Indigo?
Rotating the hue of Indigo by 180° gives #378200, its complementary color on the RGB color wheel.
What is Indigo in CMYK?
An approximate CMYK value for Indigo is cmyk(42%, 100%, 0%, 49%). For printing, ask your printer for an ICC-profiled conversion.